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10 papers · 2 filters
Critical Flow and Dissipation in a Quasi-One-Dimensional Superfluid
P-F Duc, M. Savard, M. Petrescu +3
In one of the most celebrated examples of the theory of universal critical phenomena, the phase transition to the superfluid state of He belongs to the same three dimensional…
Microscopic models for charge-noise-induced dephasing of solid-state qubits
Félix Beaudoin, W. A. Coish
Several experiments have shown qubit coherence decay of the form due to environmental charge-noise fluctuations. We present a microscopic description for…
Two-Dimensional Magnetotransport in a Black Phosphorus Naked Quantum Well
V. Tayari, N. Hemsworth, I. Fakih +5
Black phosphorus (bP) is the second known elemental allotrope with a layered crystal structure that can be mechanically exfoliated down to atomic layer thickness. We have fabricate…
Photon-assisted tunneling with non-classical light
J. -R. Souquet, M. J. Woolley, Julien Gabelli +2
Among the most exciting recent advances in the field of superconducting quantum circuits is the ability to coherently couple microwave photons in low-loss cavities to quantum elect…
Large gain quantum-limited qubit measurement using a two-mode nonlinear cavity
Saeed Khan, R. Vijay, I. Siddiqi +1
We provide a thorough theoretical analysis of qubit state measurement in a setup where a driven, parametrically-coupled cavity system is directly coupled to the qubit, with one of…
Maximizing the purity of a qubit evolving in an anisotropic environment
Xiaoya Judy Wang, Stefano Chesi, W. A. Coish
We provide a general method to calculate and maximize the purity of a qubit interacting with an anisotropic non-Markovian environment. Counter to intuition, we find that the purity…